Accessory for windows



FIG. 1 is a perspective view taken from the top, front and right side of an accessory for windows showing the design;

FIG. 2 is a perspective view taken from the top, rear and left side of the accessory for windows of FIG. 1;

FIG. 3 is a front elevation of the accessory for windows of FIG. 1;

FIG. 4 is a rear elevation of the accessory for windows of FIG. 1;

FIG. 5 is a right side elevation of the accessory for windows of FIG. 1;

The left side elevation of the accessory for windows of FIG. 1 is a mirror image of the right side elevation; and,

FIG. 6 is a bottom plan view of the accessory for windows of FIG. 1.

The broken line drawing is for environmental purposes only and forms no part of the claimed design. 

The ornamental design for an accessory for windows, as shown and described. 